Answer:
A. The mainland was not badly damaged and the war industries were turned into production sites for the production of goods for the increasing population.
B. Advancement in technology and increase in consumer's spending.
Explanation:
This period was the post WW II era in the 1950's, It was a period that brought about the speedy growth in the economy prosperity of the U.S. This was due to the low damaged the war caused on the country and the bad damage that was done to other super powers of the world who were the major supplier of goods before the war.
Moreover, there was massive growth in the population which resulted into high demand for goods there by leading into massive production wish in return lead to an economy boom because the war industries were turned into production sites to produce goods.
It was a period that was tagged "BABY BOOM" where the economy grew by 37% and brought about high spending by consumer due to availability of jobs that resulted into high wages.
Roosevelt Corollary to the Monroe Doctrine Good Neighbor Policy was the policy that establishes the right of the United States to act as a policeman in the western Hemisphere. Roosevelt Corollary to the Monroe Doctrine Good Neighbor Policy was the policy that establishes the right of the United States to act as a policeman in the western Hemisphere. The Monroe Doctrine created in 1823 was a passive policy, but by the 20th century the United States of America became more confident to act as a policeman for all the Latin American countries.In the 1900's the crisis between Venezuela and its creditors went to such a point that President Roosevelt became concerned that Venezuela could be a soft target for European Invasion. this led to stricter Monroe Doctrine.
Parts of the Philippine islands were known to Europeans before the 1521 Spanish expedition around the world led by Portuguese-born Spanish explorer Ferdinand Magellan, (the Portuguese conquered Malacca City in 1511 and reached Maluku islands in 1512).